That the first practical tests of DDT as a residual insecticide against adult vector mosquitoes were carried out
Text from Wikipedia, available under CC BY-SA 4.0.
- #wikipedia
- #event
← Paul Hermann Müller timeline
That the first practical tests of DDT as a residual insecticide against adult vector mosquitoes were carried out
Text from Wikipedia, available under CC BY-SA 4.0.
Captured 2026-08-17 from Wikipedia. The archived copy is preserved so this citation survives link rot.